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Here is the info from Allen & Gartz, Teonanacatl: A Bibliography of Entheogenic Fungi. 2001.

Stijve, Tjakko and A. A. R. Meijer. 1993. Macromycetes from the State of Paran?, Brazil. 4. The psychoactive species. Arq. Biol. Technol. vol. 36(2):313-329. "Psilocybin is reported for the first time from the following species: Psilocybe caeruleoannulata, Psilocybe hoogshagenii var. hoogshagenii, Psilocybe subyungensis, Psilocybe uruguayensis, and Pluteus glaucus. An additional unidentified species of Pluteus was also found to contain psilocybin and psilocin.?